# ORninja vs DDC Lecturio

The clearest difference is update cadence: ORninja at fortnightly against DDC Lecturio's every 19 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ORninja ships an update fortnightly, DDC Lecturio every 19 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | ORninja | DDC Lecturio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (25 ratings)](https://appshunter.io/ios/app/orninja/id1589161502/reviews)** | — |
| Number of ratings | **25** | — |
| Positive reviews | 21.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 19 months |
| Monetization | Free | — |
| Size | 51 MB | 117 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Ninja Solutions Incorporated](https://appshunter.io/developer/1589161504) | [Lecturio GmbH](https://appshunter.io/developer/667474928) |

## What reviewers say

### ORninja

[App page](https://appshunter.io/ios/app/orninja/id1589161502)

This app provides a digital library of surgical instruments for training operating room support staff. It allows users to learn instrument names and functions at their own pace, and virtually assemble instrument trays for surgical procedures.

**Highlights:** Digital library of surgical instruments, Learn instrument names and functions, Virtual instrument tray assembly, Self-paced learning, Training for OR support staff

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### DDC Lecturio

[App page](https://appshunter.io/ios/app/ddc-lecturio/id6450448826)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ORninja free?

ORninja is free to download, with no in-app purchases.

### Is DDC Lecturio free?

DDC Lecturio is free to download, with no in-app purchases.

### Do ORninja or DDC Lecturio have ads?

Neither ORninja nor DDC Lecturio shows ads.

### Which is updated more often, ORninja or DDC Lecturio?

ORninja ships an update fortnightly, and DDC Lecturio every 19 months. Most recently, ORninja was updated on October 24, 2026 and DDC Lecturio on October 27, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*